Added support for environmental config values

Updated Go version to 1.20.0

.devcontainer/Dockerfile

@@ -1,7 +1,7 @@
 # See here for image contents: https://github.com/microsoft/vscode-dev-containers/tree/v0.194.3/containers/go/.devcontainer/base.Dockerfile
 
 # [Choice] Go version: 1, 1.16, 1.17
-ARG VARIANT="1.19"
+ARG VARIANT="1.20"
 FROM mcr.microsoft.com/vscode/devcontainers/go:0-${VARIANT}
 
 COPY --from=aquasec/trivy:0.32.1 /usr/local/bin/trivy /usr/bin/trivy

.devcontainer/devcontainer.json

@@ -3,12 +3,12 @@
 {
 	"name": "Go",
 	"build": {
-		"dockerfile": "Dockerfile",
+		// "dockerfile": "Dockerfile",
 		"args": {
 			// Update the VARIANT arg to pick a version of Go: 1, 1.16, 1.17
 			// Append -bullseye or -buster to pin to an OS version.
 			// Use -bullseye variants on local arm64/Apple Silicon.
-			"VARIANT": "1.19-bullseye",
+			// "VARIANT": "1.20-bullseye",
 			// Options
 			"NODE_VERSION": "none"
 		}

assets/docker/Dockerfile

@@ -1,5 +1,5 @@
-FROM dragonheim/golang:1.19 as builder
+FROM dragonheim/golang:1.20 as builder
-ARG SEMVER
+ARG SEMVER=${SEMVER:-0.0.7}
 
 WORKDIR /gagent
 COPY . .

cmd/gagent/main.go

@@ -9,6 +9,8 @@ import (
 
 	autorestart "github.com/slayer/autorestart"
 
+	env "github.com/caarlos0/env/v6"
+
 	fqdn "github.com/Showmax/go-fqdn"
 
 	gstructs "github.com/dragonheim/gagent/internal/gstructs"
@@ -52,6 +54,12 @@ var (
  * 10 Router not connected
  */
 
+var environment struct {
+	Mode string `env:"GAGENT_MODE" envDefault:"setup"`
+	Port int    `env:"PORT" envDefault:"3000"`
+	UUID string `env:"GAGENT_UUID" envDefault:""`
+}
+
 var config gstructs.GagentConfig
 
 func main() {
@@ -112,9 +120,15 @@ func main() {
 
 func init() {
 	// var err error
-
 	autorestart.StartWatcher()
 
+	cfg := environment
+	if err := env.Parse(&cfg); err != nil {
+		log.Printf("%+v\n", err)
+	}
+
+	log.Printf("%+v\n", cfg)
+
 	filter := &logutils.LevelFilter{
 		Levels:   []logutils.LogLevel{"DEBUG", "INFO", "WARN", "ERROR"},
 		MinLevel: logutils.LogLevel("DEBUG"),

go.mod

@@ -5,6 +5,7 @@ go 1.18
 require (
 	github.com/Showmax/go-fqdn v1.0.0
 	github.com/aviddiviner/docopt-go v0.0.0-20170807220726-d8a1d67efc6a
+	github.com/caarlos0/env/v6 v6.10.1
 	github.com/hashicorp/hcl/v2 v2.15.0
 	github.com/hashicorp/logutils v1.0.0
 	github.com/jakehl/goid v1.1.0

go.sum

@@ -50,6 +50,8 @@ github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24
 github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
 github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
 github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
+github.com/caarlos0/env/v6 v6.10.1 h1:t1mPSxNpei6M5yAeu1qtRdPAK29Nbcf/n3G7x+b3/II=
+github.com/caarlos0/env/v6 v6.10.1/go.mod h1:hvp/ryKXKipEkcuYjs9mI4bBCg+UI0Yhgm5Zu0ddvwc=
 github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
 github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 github.com/cespare/xxhash/v2 v2.1.2 h1:YRXhKfTDauu4ajMg1TPgFO5jnlC2HCbmLXMcTG5cbYE=